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121122103201 = 1111011100291
BaseRepresentation
bin111000011001101110…
…0001001111110100001
3102120122012121100201021
41300303130021332201
53441024224300301
6131350455005441
711515342614211
oct1606334117641
9376565540637
10121122103201
11474052a6940
121b583669881
13b563806868
145c1039a241
15323d7558a1
hex1c33709fa1

121122103201 has 4 divisors (see below), whose sum is σ = 132133203504. Its totient is φ = 110111002900.

The previous prime is 121122103187. The next prime is 121122103231. The reversal of 121122103201 is 102301221121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121122103201 - 27 = 121122103073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122103231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505550135 + ... + 5505550156.

It is an arithmetic number, because the mean of its divisors is an integer number (33033300876).

Almost surely, 2121122103201 is an apocalyptic number.

121122103201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121122103201 is a deficient number, since it is larger than the sum of its proper divisors (11011100303).

121122103201 is a wasteful number, since it uses less digits than its factorization.

121122103201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011100302.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121122103201 its reverse (102301221121), we get a palindrome (223423324322).

The spelling of 121122103201 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred three thousand, two hundred one".

Divisors: 1 11 11011100291 121122103201